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← GeographyWhich outcome occurs when excessive discharge enters an alluvial fan?
A)Entrenchment of distributary channels✓
B)Increased hillslope sediment deposition
C)Decreased chemical soil weathering
D)Enhanced laminar floodplain flow
💡 Explanation
Excessive discharge will cause incision because स्ट्रीम power surpasses bank resistance, resulting in channel entrenchment by fluvial erosion. Therefore, channels deepen, rather than deposition dominating or flow remaining laminar, especially with elevated discharge.
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